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Fixed #2264: the docs now mention that delete() cascades. Thanks, Ube…


git-svn-id: bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit a419079347676ab4fccd264a5e9c555a2603b9bb 1 parent 6dfd32d
@jacobian jacobian authored
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  1. +9 −0 docs/db-api.txt
9 docs/db-api.txt
@@ -1621,6 +1621,15 @@ For example, this deletes all ``Entry`` objects with a ``pub_date`` year of
+When Django deletes an object, it emulates the behavior of the SQL
+constraint ``ON DELETE CASCADE`` -- in other words, any objects which
+had foreign keys pointing at the object to be deleted will be deleted
+along with it. For example::
+ b = Blog.objects.get(pk=1)
+ # This will delete the Blog and all of its Entry objects.
+ b.delete()
Note that ``delete()`` is the only ``QuerySet`` method that is not exposed on a
``Manager`` itself. This is a safety mechanism to prevent you from accidentally
requesting ``Entry.objects.delete()``, and deleting *all* the entries. If you
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